phc-discussions - Re: [PHC] Is $7$ coming any time soon?

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Message-ID: <20180403101025.GA20878@openwall.com>
Date: Tue, 3 Apr 2018 12:10:25 +0200
From: Solar Designer <solar@...nwall.com>
To: discussions@...sword-hashing.net
Subject: Re: [PHC] Is $7$ coming any time soon?

On Wed, Mar 28, 2018 at 09:05:12PM +0200, Solar Designer wrote:
> On Wed, Mar 28, 2018 at 10:37:46AM -0700, Dean Pierce wrote:
> > Maybe even $8$ and $9$ for runners up like yescrypt and Lyra2?
> 
> We previously defined $7$ for scrypt and I already use $y$ for yescrypt.
> Both are supported in the recently released yescrypt 1.0.0 tree.

Oh, and I almost forgot that $8$ and $9$ are also already taken, by
Cisco for PBKDF2 and scrypt, respectively, with certain parameters.

> I think there's currently no need for anything else.

Alexander